USB flash disk



FIG. 1 is a perspective view of a USB flash disk showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, with the broken lines showing of an implementation condition.

The broken lines shown are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a USB flash disk, as shown and described. 